Alexandre Lision | 7c6f4a6 | 2013-09-05 13:27:01 -0400 | [diff] [blame] | 1 | /* |
| 2 | ** Copyright (C) 1999-2011 Erik de Castro Lopo <erikd@mega-nerd.com> |
| 3 | ** Copyright (C) 2005 David Viens <davidv@plogue.com> |
| 4 | ** |
| 5 | ** This program is free software; you can redistribute it and/or modify |
| 6 | ** it under the terms of the GNU Lesser General Public License as published by |
| 7 | ** the Free Software Foundation; either version 2.1 of the License, or |
| 8 | ** (at your option) any later version. |
| 9 | ** |
| 10 | ** This program is distributed in the hope that it will be useful, |
| 11 | ** but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | ** GNU Lesser General Public License for more details. |
| 14 | ** |
| 15 | ** You should have received a copy of the GNU Lesser General Public License |
| 16 | ** along with this program; if not, write to the Free Software |
| 17 | ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 18 | */ |
| 19 | |
| 20 | #include "sfconfig.h" |
| 21 | |
| 22 | #include <stdio.h> |
| 23 | #include <stdlib.h> |
| 24 | #include <string.h> |
| 25 | #include <time.h> |
| 26 | #include <ctype.h> |
| 27 | #include <inttypes.h> |
| 28 | |
| 29 | #include "sndfile.h" |
| 30 | #include "sfendian.h" |
| 31 | #include "common.h" |
| 32 | #include "chanmap.h" |
| 33 | |
| 34 | /*------------------------------------------------------------------------------ |
| 35 | * Macros to handle big/little endian issues. |
| 36 | */ |
| 37 | |
| 38 | #define FORM_MARKER (MAKE_MARKER ('F', 'O', 'R', 'M')) |
| 39 | #define AIFF_MARKER (MAKE_MARKER ('A', 'I', 'F', 'F')) |
| 40 | #define AIFC_MARKER (MAKE_MARKER ('A', 'I', 'F', 'C')) |
| 41 | #define COMM_MARKER (MAKE_MARKER ('C', 'O', 'M', 'M')) |
| 42 | #define SSND_MARKER (MAKE_MARKER ('S', 'S', 'N', 'D')) |
| 43 | #define MARK_MARKER (MAKE_MARKER ('M', 'A', 'R', 'K')) |
| 44 | #define INST_MARKER (MAKE_MARKER ('I', 'N', 'S', 'T')) |
| 45 | #define APPL_MARKER (MAKE_MARKER ('A', 'P', 'P', 'L')) |
| 46 | #define CHAN_MARKER (MAKE_MARKER ('C', 'H', 'A', 'N')) |
| 47 | |
| 48 | #define c_MARKER (MAKE_MARKER ('(', 'c', ')', ' ')) |
| 49 | #define NAME_MARKER (MAKE_MARKER ('N', 'A', 'M', 'E')) |
| 50 | #define AUTH_MARKER (MAKE_MARKER ('A', 'U', 'T', 'H')) |
| 51 | #define ANNO_MARKER (MAKE_MARKER ('A', 'N', 'N', 'O')) |
| 52 | #define COMT_MARKER (MAKE_MARKER ('C', 'O', 'M', 'T')) |
| 53 | #define FVER_MARKER (MAKE_MARKER ('F', 'V', 'E', 'R')) |
| 54 | #define SFX_MARKER (MAKE_MARKER ('S', 'F', 'X', '!')) |
| 55 | |
| 56 | #define PEAK_MARKER (MAKE_MARKER ('P', 'E', 'A', 'K')) |
| 57 | #define basc_MARKER (MAKE_MARKER ('b', 'a', 's', 'c')) |
| 58 | |
| 59 | /* Supported AIFC encodings.*/ |
| 60 | #define NONE_MARKER (MAKE_MARKER ('N', 'O', 'N', 'E')) |
| 61 | #define sowt_MARKER (MAKE_MARKER ('s', 'o', 'w', 't')) |
| 62 | #define twos_MARKER (MAKE_MARKER ('t', 'w', 'o', 's')) |
| 63 | #define raw_MARKER (MAKE_MARKER ('r', 'a', 'w', ' ')) |
| 64 | #define in24_MARKER (MAKE_MARKER ('i', 'n', '2', '4')) |
| 65 | #define ni24_MARKER (MAKE_MARKER ('4', '2', 'n', '1')) |
| 66 | #define in32_MARKER (MAKE_MARKER ('i', 'n', '3', '2')) |
| 67 | #define ni32_MARKER (MAKE_MARKER ('2', '3', 'n', 'i')) |
| 68 | |
| 69 | #define fl32_MARKER (MAKE_MARKER ('f', 'l', '3', '2')) |
| 70 | #define FL32_MARKER (MAKE_MARKER ('F', 'L', '3', '2')) |
| 71 | #define fl64_MARKER (MAKE_MARKER ('f', 'l', '6', '4')) |
| 72 | #define FL64_MARKER (MAKE_MARKER ('F', 'L', '6', '4')) |
| 73 | |
| 74 | #define ulaw_MARKER (MAKE_MARKER ('u', 'l', 'a', 'w')) |
| 75 | #define ULAW_MARKER (MAKE_MARKER ('U', 'L', 'A', 'W')) |
| 76 | #define alaw_MARKER (MAKE_MARKER ('a', 'l', 'a', 'w')) |
| 77 | #define ALAW_MARKER (MAKE_MARKER ('A', 'L', 'A', 'W')) |
| 78 | |
| 79 | #define DWVW_MARKER (MAKE_MARKER ('D', 'W', 'V', 'W')) |
| 80 | #define GSM_MARKER (MAKE_MARKER ('G', 'S', 'M', ' ')) |
| 81 | #define ima4_MARKER (MAKE_MARKER ('i', 'm', 'a', '4')) |
| 82 | |
| 83 | /* |
| 84 | ** This value is officially assigned to Mega Nerd Pty Ltd by Apple |
| 85 | ** Corportation as the Application marker for libsndfile. |
| 86 | ** |
| 87 | ** See : http://developer.apple.com/faq/datatype.html |
| 88 | */ |
| 89 | #define m3ga_MARKER (MAKE_MARKER ('m', '3', 'g', 'a')) |
| 90 | |
| 91 | /* Unsupported AIFC encodings.*/ |
| 92 | |
| 93 | #define MAC3_MARKER (MAKE_MARKER ('M', 'A', 'C', '3')) |
| 94 | #define MAC6_MARKER (MAKE_MARKER ('M', 'A', 'C', '6')) |
| 95 | #define ADP4_MARKER (MAKE_MARKER ('A', 'D', 'P', '4')) |
| 96 | |
| 97 | /* Predfined chunk sizes. */ |
| 98 | #define SIZEOF_AIFF_COMM 18 |
| 99 | #define SIZEOF_AIFC_COMM_MIN 22 |
| 100 | #define SIZEOF_AIFC_COMM 24 |
| 101 | #define SIZEOF_SSND_CHUNK 8 |
| 102 | #define SIZEOF_INST_CHUNK 20 |
| 103 | |
| 104 | /* Is it constant? */ |
| 105 | |
| 106 | /* AIFC/IMA4 defines. */ |
| 107 | #define AIFC_IMA4_BLOCK_LEN 34 |
| 108 | #define AIFC_IMA4_SAMPLES_PER_BLOCK 64 |
| 109 | |
| 110 | #define AIFF_PEAK_CHUNK_SIZE(ch) (2 * sizeof (int) + ch * (sizeof (float) + sizeof (int))) |
| 111 | |
| 112 | /*------------------------------------------------------------------------------ |
| 113 | * Typedefs for file chunks. |
| 114 | */ |
| 115 | |
| 116 | enum |
| 117 | { HAVE_FORM = 0x01, |
| 118 | HAVE_AIFF = 0x02, |
| 119 | HAVE_AIFC = 0x04, |
| 120 | HAVE_FVER = 0x08, |
| 121 | HAVE_COMM = 0x10, |
| 122 | HAVE_SSND = 0x20 |
| 123 | } ; |
| 124 | |
| 125 | typedef struct |
| 126 | { unsigned int size ; |
| 127 | short numChannels ; |
| 128 | unsigned int numSampleFrames ; |
| 129 | short sampleSize ; |
| 130 | unsigned char sampleRate [10] ; |
| 131 | unsigned int encoding ; |
| 132 | char zero_bytes [2] ; |
| 133 | } COMM_CHUNK ; |
| 134 | |
| 135 | typedef struct |
| 136 | { unsigned int offset ; |
| 137 | unsigned int blocksize ; |
| 138 | } SSND_CHUNK ; |
| 139 | |
| 140 | typedef struct |
| 141 | { short playMode ; |
| 142 | unsigned short beginLoop ; |
| 143 | unsigned short endLoop ; |
| 144 | } INST_LOOP ; |
| 145 | |
| 146 | typedef struct |
| 147 | { char baseNote ; /* all notes are MIDI note numbers */ |
| 148 | char detune ; /* cents off, only -50 to +50 are significant */ |
| 149 | char lowNote ; |
| 150 | char highNote ; |
| 151 | char lowVelocity ; /* 1 to 127 */ |
| 152 | char highVelocity ; /* 1 to 127 */ |
| 153 | short gain ; /* in dB, 0 is normal */ |
| 154 | INST_LOOP sustain_loop ; |
| 155 | INST_LOOP release_loop ; |
| 156 | } INST_CHUNK ; |
| 157 | |
| 158 | |
| 159 | enum |
| 160 | { basc_SCALE_MINOR = 1, |
| 161 | basc_SCALE_MAJOR, |
| 162 | basc_SCALE_NEITHER, |
| 163 | basc_SCALE_BOTH |
| 164 | } ; |
| 165 | |
| 166 | enum |
| 167 | { basc_TYPE_LOOP = 0, |
| 168 | basc_TYPE_ONE_SHOT |
| 169 | } ; |
| 170 | |
| 171 | |
| 172 | typedef struct |
| 173 | { unsigned int version ; |
| 174 | unsigned int numBeats ; |
| 175 | unsigned short rootNote ; |
| 176 | unsigned short scaleType ; |
| 177 | unsigned short sigNumerator ; |
| 178 | unsigned short sigDenominator ; |
| 179 | unsigned short loopType ; |
| 180 | } basc_CHUNK ; |
| 181 | |
| 182 | typedef struct |
| 183 | { unsigned short markerID ; |
| 184 | unsigned int position ; |
| 185 | } MARK_ID_POS ; |
| 186 | |
| 187 | typedef struct |
| 188 | { PRIV_CHUNK4 chunk4 ; |
| 189 | |
| 190 | sf_count_t comm_offset ; |
| 191 | sf_count_t ssnd_offset ; |
| 192 | |
| 193 | int chanmap_tag ; |
| 194 | |
| 195 | MARK_ID_POS *markstr ; |
| 196 | } AIFF_PRIVATE ; |
| 197 | |
| 198 | /*------------------------------------------------------------------------------ |
| 199 | * Private static functions. |
| 200 | */ |
| 201 | |
| 202 | static int aiff_close (SF_PRIVATE *psf) ; |
| 203 | |
| 204 | static int tenbytefloat2int (unsigned char *bytes) ; |
| 205 | static void uint2tenbytefloat (unsigned int num, unsigned char *bytes) ; |
| 206 | |
| 207 | static int aiff_read_comm_chunk (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) ; |
| 208 | |
| 209 | static int aiff_read_header (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) ; |
| 210 | |
| 211 | static int aiff_write_header (SF_PRIVATE *psf, int calc_length) ; |
| 212 | static int aiff_write_tailer (SF_PRIVATE *psf) ; |
| 213 | static void aiff_write_strings (SF_PRIVATE *psf, int location) ; |
| 214 | |
| 215 | static int aiff_command (SF_PRIVATE *psf, int command, void *data, int datasize) ; |
| 216 | |
| 217 | static const char *get_loop_mode_str (short mode) ; |
| 218 | |
| 219 | static short get_loop_mode (short mode) ; |
| 220 | |
| 221 | static int aiff_read_basc_chunk (SF_PRIVATE * psf, int) ; |
| 222 | |
| 223 | static int aiff_read_chanmap (SF_PRIVATE * psf, unsigned dword) ; |
| 224 | |
| 225 | static unsigned int marker_to_position (const MARK_ID_POS *m, unsigned short n, int marksize) ; |
| 226 | |
| 227 | /*------------------------------------------------------------------------------ |
| 228 | ** Public function. |
| 229 | */ |
| 230 | |
| 231 | int |
| 232 | aiff_open (SF_PRIVATE *psf) |
| 233 | { COMM_CHUNK comm_fmt ; |
| 234 | int error, subformat ; |
| 235 | |
| 236 | memset (&comm_fmt, 0, sizeof (comm_fmt)) ; |
| 237 | |
| 238 | subformat = SF_CODEC (psf->sf.format) ; |
| 239 | |
| 240 | if ((psf->container_data = calloc (1, sizeof (AIFF_PRIVATE))) == NULL) |
| 241 | return SFE_MALLOC_FAILED ; |
| 242 | |
| 243 | if (psf->file.mode == SFM_READ || (psf->file.mode == SFM_RDWR && psf->filelength > 0)) |
| 244 | { if ((error = aiff_read_header (psf, &comm_fmt))) |
| 245 | return error ; |
| 246 | psf_fseek (psf, psf->dataoffset, SEEK_SET) ; |
| 247 | } ; |
| 248 | |
| 249 | if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR) |
| 250 | { if (psf->is_pipe) |
| 251 | return SFE_NO_PIPE_WRITE ; |
| 252 | |
| 253 | if ((SF_CONTAINER (psf->sf.format)) != SF_FORMAT_AIFF) |
| 254 | return SFE_BAD_OPEN_FORMAT ; |
| 255 | |
| 256 | if (psf->file.mode == SFM_WRITE && (subformat == SF_FORMAT_FLOAT || subformat == SF_FORMAT_DOUBLE)) |
| 257 | { if ((psf->peak_info = peak_info_calloc (psf->sf.channels)) == NULL) |
| 258 | return SFE_MALLOC_FAILED ; |
| 259 | psf->peak_info->peak_loc = SF_PEAK_START ; |
| 260 | } ; |
| 261 | |
| 262 | if (psf->file.mode != SFM_RDWR || psf->filelength < 40) |
| 263 | { psf->filelength = 0 ; |
| 264 | psf->datalength = 0 ; |
| 265 | psf->dataoffset = 0 ; |
| 266 | psf->sf.frames = 0 ; |
| 267 | } ; |
| 268 | |
| 269 | psf->str_flags = SF_STR_ALLOW_START | SF_STR_ALLOW_END ; |
| 270 | |
| 271 | if ((error = aiff_write_header (psf, SF_FALSE))) |
| 272 | return error ; |
| 273 | |
| 274 | psf->write_header = aiff_write_header ; |
| 275 | } ; |
| 276 | |
| 277 | psf->container_close = aiff_close ; |
| 278 | psf->command = aiff_command ; |
| 279 | |
| 280 | switch (SF_CODEC (psf->sf.format)) |
| 281 | { case SF_FORMAT_PCM_U8 : |
| 282 | error = pcm_init (psf) ; |
| 283 | break ; |
| 284 | |
| 285 | case SF_FORMAT_PCM_S8 : |
| 286 | error = pcm_init (psf) ; |
| 287 | break ; |
| 288 | |
| 289 | case SF_FORMAT_PCM_16 : |
| 290 | case SF_FORMAT_PCM_24 : |
| 291 | case SF_FORMAT_PCM_32 : |
| 292 | error = pcm_init (psf) ; |
| 293 | break ; |
| 294 | |
| 295 | case SF_FORMAT_ULAW : |
| 296 | error = ulaw_init (psf) ; |
| 297 | break ; |
| 298 | |
| 299 | case SF_FORMAT_ALAW : |
| 300 | error = alaw_init (psf) ; |
| 301 | break ; |
| 302 | |
| 303 | /* Lite remove start */ |
| 304 | case SF_FORMAT_FLOAT : |
| 305 | error = float32_init (psf) ; |
| 306 | break ; |
| 307 | |
| 308 | case SF_FORMAT_DOUBLE : |
| 309 | error = double64_init (psf) ; |
| 310 | break ; |
| 311 | |
| 312 | case SF_FORMAT_DWVW_12 : |
| 313 | error = dwvw_init (psf, 12) ; |
| 314 | break ; |
| 315 | |
| 316 | case SF_FORMAT_DWVW_16 : |
| 317 | error = dwvw_init (psf, 16) ; |
| 318 | break ; |
| 319 | |
| 320 | case SF_FORMAT_DWVW_24 : |
| 321 | error = dwvw_init (psf, 24) ; |
| 322 | break ; |
| 323 | |
| 324 | case SF_FORMAT_DWVW_N : |
| 325 | if (psf->file.mode != SFM_READ) |
| 326 | { error = SFE_DWVW_BAD_BITWIDTH ; |
| 327 | break ; |
| 328 | } ; |
| 329 | if (comm_fmt.sampleSize >= 8 && comm_fmt.sampleSize < 24) |
| 330 | { error = dwvw_init (psf, comm_fmt.sampleSize) ; |
| 331 | psf->sf.frames = comm_fmt.numSampleFrames ; |
| 332 | break ; |
| 333 | } ; |
| 334 | psf_log_printf (psf, "AIFC/DWVW : Bad bitwidth %d\n", comm_fmt.sampleSize) ; |
| 335 | error = SFE_DWVW_BAD_BITWIDTH ; |
| 336 | break ; |
| 337 | |
| 338 | case SF_FORMAT_IMA_ADPCM : |
| 339 | /* |
| 340 | ** IMA ADPCM encoded AIFF files always have a block length |
| 341 | ** of 34 which decodes to 64 samples. |
| 342 | */ |
| 343 | error = aiff_ima_init (psf, AIFC_IMA4_BLOCK_LEN, AIFC_IMA4_SAMPLES_PER_BLOCK) ; |
| 344 | break ; |
| 345 | /* Lite remove end */ |
| 346 | |
| 347 | case SF_FORMAT_GSM610 : |
| 348 | error = gsm610_init (psf) ; |
| 349 | break ; |
| 350 | |
| 351 | default : return SFE_UNIMPLEMENTED ; |
| 352 | } ; |
| 353 | |
| 354 | |
| 355 | return error ; |
| 356 | } /* aiff_open */ |
| 357 | |
| 358 | /*========================================================================================== |
| 359 | ** Private functions. |
| 360 | */ |
| 361 | |
| 362 | /* This function ought to check size */ |
| 363 | static unsigned int |
| 364 | marker_to_position (const MARK_ID_POS *m, unsigned short n, int marksize) |
| 365 | { int i ; |
| 366 | |
| 367 | for (i = 0 ; i < marksize ; i++) |
| 368 | if (m [i].markerID == n) |
| 369 | return m [i].position ; |
| 370 | return 0 ; |
| 371 | } /* marker_to_position */ |
| 372 | |
| 373 | static int |
| 374 | aiff_read_header (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) |
| 375 | { SSND_CHUNK ssnd_fmt ; |
| 376 | AIFF_PRIVATE *paiff ; |
| 377 | unsigned marker, dword, FORMsize, SSNDsize, bytesread ; |
| 378 | int k, found_chunk = 0, done = 0, error = 0 ; |
| 379 | char *cptr ; |
| 380 | int instr_found = 0, mark_found = 0, mark_count = 0 ; |
| 381 | |
| 382 | if (psf->filelength > SF_PLATFORM_S64 (0xffffffff)) |
| 383 | psf_log_printf (psf, "Warning : filelength > 0xffffffff. This is bad!!!!\n") ; |
| 384 | |
| 385 | if ((paiff = psf->container_data) == NULL) |
| 386 | return SFE_INTERNAL ; |
| 387 | |
| 388 | paiff->comm_offset = 0 ; |
| 389 | paiff->ssnd_offset = 0 ; |
| 390 | |
| 391 | /* Set position to start of file to begin reading header. */ |
| 392 | psf_binheader_readf (psf, "p", 0) ; |
| 393 | |
| 394 | memset (comm_fmt, 0, sizeof (COMM_CHUNK)) ; |
| 395 | |
| 396 | /* Until recently AIF* file were all BIG endian. */ |
| 397 | psf->endian = SF_ENDIAN_BIG ; |
| 398 | |
| 399 | /* AIFF files can apparently have their chunks in any order. However, they |
| 400 | ** must have a FORM chunk. Approach here is to read all the chunks one by |
| 401 | ** one and then check for the mandatory chunks at the end. |
| 402 | */ |
| 403 | while (! done) |
| 404 | { psf_binheader_readf (psf, "m", &marker) ; |
| 405 | |
| 406 | if (psf->file.mode == SFM_RDWR && (found_chunk & HAVE_SSND)) |
| 407 | return SFE_AIFF_RW_SSND_NOT_LAST ; |
| 408 | |
| 409 | switch (marker) |
| 410 | { case FORM_MARKER : |
| 411 | if (found_chunk) |
| 412 | return SFE_AIFF_NO_FORM ; |
| 413 | |
| 414 | psf_binheader_readf (psf, "E4", &FORMsize) ; |
| 415 | pchk4_store (&paiff->chunk4, marker, psf->headindex - 8, FORMsize) ; |
| 416 | |
| 417 | if (psf->fileoffset > 0 && psf->filelength > FORMsize + 8) |
| 418 | { /* Set file length. */ |
| 419 | psf->filelength = FORMsize + 8 ; |
| 420 | psf_log_printf (psf, "FORM : %u\n", FORMsize) ; |
| 421 | } |
| 422 | else if (FORMsize != psf->filelength - 2 * SIGNED_SIZEOF (dword)) |
| 423 | { dword = psf->filelength - 2 * sizeof (dword) ; |
| 424 | psf_log_printf (psf, "FORM : %u (should be %u)\n", FORMsize, dword) ; |
| 425 | FORMsize = dword ; |
| 426 | } |
| 427 | else |
| 428 | psf_log_printf (psf, "FORM : %u\n", FORMsize) ; |
| 429 | found_chunk |= HAVE_FORM ; |
| 430 | break ; |
| 431 | |
| 432 | case AIFC_MARKER : |
| 433 | case AIFF_MARKER : |
| 434 | if ((found_chunk & HAVE_FORM) == 0) |
| 435 | return SFE_AIFF_AIFF_NO_FORM ; |
| 436 | psf_log_printf (psf, " %M\n", marker) ; |
| 437 | found_chunk |= (marker == AIFC_MARKER) ? (HAVE_AIFC | HAVE_AIFF) : HAVE_AIFF ; |
| 438 | break ; |
| 439 | |
| 440 | case COMM_MARKER : |
| 441 | paiff->comm_offset = psf_ftell (psf) - 4 ; |
| 442 | error = aiff_read_comm_chunk (psf, comm_fmt) ; |
| 443 | pchk4_store (&paiff->chunk4, marker, paiff->comm_offset, comm_fmt->size) ; |
| 444 | |
| 445 | |
| 446 | psf->sf.samplerate = tenbytefloat2int (comm_fmt->sampleRate) ; |
| 447 | psf->sf.frames = comm_fmt->numSampleFrames ; |
| 448 | psf->sf.channels = comm_fmt->numChannels ; |
| 449 | psf->bytewidth = BITWIDTH2BYTES (comm_fmt->sampleSize) ; |
| 450 | |
| 451 | if (error) |
| 452 | return error ; |
| 453 | |
| 454 | found_chunk |= HAVE_COMM ; |
| 455 | break ; |
| 456 | |
| 457 | case PEAK_MARKER : |
| 458 | /* Must have COMM chunk before PEAK chunk. */ |
| 459 | if ((found_chunk & (HAVE_FORM | HAVE_AIFF | HAVE_COMM)) != (HAVE_FORM | HAVE_AIFF | HAVE_COMM)) |
| 460 | return SFE_AIFF_PEAK_B4_COMM ; |
| 461 | |
| 462 | psf_binheader_readf (psf, "E4", &dword) ; |
| 463 | pchk4_store (&paiff->chunk4, marker, psf->headindex - 8, dword) ; |
| 464 | |
| 465 | psf_log_printf (psf, "%M : %d\n", marker, dword) ; |
| 466 | if (dword != AIFF_PEAK_CHUNK_SIZE (psf->sf.channels)) |
| 467 | { psf_binheader_readf (psf, "j", dword) ; |
| 468 | psf_log_printf (psf, "*** File PEAK chunk too big.\n") ; |
| 469 | return SFE_WAV_BAD_PEAK ; |
| 470 | } ; |
| 471 | |
| 472 | if ((psf->peak_info = peak_info_calloc (psf->sf.channels)) == NULL) |
| 473 | return SFE_MALLOC_FAILED ; |
| 474 | |
| 475 | /* read in rest of PEAK chunk. */ |
| 476 | psf_binheader_readf (psf, "E44", &(psf->peak_info->version), &(psf->peak_info->timestamp)) ; |
| 477 | |
| 478 | if (psf->peak_info->version != 1) |
| 479 | psf_log_printf (psf, " version : %d *** (should be version 1)\n", psf->peak_info->version) ; |
| 480 | else |
| 481 | psf_log_printf (psf, " version : %d\n", psf->peak_info->version) ; |
| 482 | |
| 483 | psf_log_printf (psf, " time stamp : %d\n", psf->peak_info->timestamp) ; |
| 484 | psf_log_printf (psf, " Ch Position Value\n") ; |
| 485 | |
| 486 | cptr = psf->u.cbuf ; |
| 487 | for (dword = 0 ; dword < (unsigned) psf->sf.channels ; dword++) |
| 488 | { float value ; |
| 489 | unsigned int position ; |
| 490 | |
| 491 | psf_binheader_readf (psf, "Ef4", &value, &position) ; |
| 492 | psf->peak_info->peaks [dword].value = value ; |
| 493 | psf->peak_info->peaks [dword].position = position ; |
| 494 | |
| 495 | snprintf (cptr, sizeof (psf->u.scbuf), " %2d %-12" PRId64 " %g\n", |
| 496 | dword, psf->peak_info->peaks [dword].position, psf->peak_info->peaks [dword].value) ; |
| 497 | cptr [sizeof (psf->u.scbuf) - 1] = 0 ; |
| 498 | psf_log_printf (psf, "%s", cptr) ; |
| 499 | } ; |
| 500 | |
| 501 | psf->peak_info->peak_loc = ((found_chunk & HAVE_SSND) == 0) ? SF_PEAK_START : SF_PEAK_END ; |
| 502 | break ; |
| 503 | |
| 504 | case SSND_MARKER : |
| 505 | if ((found_chunk & HAVE_AIFC) && (found_chunk & HAVE_FVER) == 0) |
| 506 | psf_log_printf (psf, "*** Valid AIFC files should have an FVER chunk.\n") ; |
| 507 | |
| 508 | paiff->ssnd_offset = psf_ftell (psf) - 4 ; |
| 509 | psf_binheader_readf (psf, "E444", &SSNDsize, &(ssnd_fmt.offset), &(ssnd_fmt.blocksize)) ; |
| 510 | pchk4_store (&paiff->chunk4, marker, paiff->ssnd_offset, SSNDsize) ; |
| 511 | |
| 512 | psf->datalength = SSNDsize - sizeof (ssnd_fmt) ; |
| 513 | psf->dataoffset = psf_ftell (psf) ; |
| 514 | |
| 515 | if (psf->datalength > psf->filelength - psf->dataoffset || psf->datalength < 0) |
| 516 | { psf_log_printf (psf, " SSND : %u (should be %D)\n", SSNDsize, psf->filelength - psf->dataoffset + sizeof (SSND_CHUNK)) ; |
| 517 | psf->datalength = psf->filelength - psf->dataoffset ; |
| 518 | } |
| 519 | else |
| 520 | psf_log_printf (psf, " SSND : %u\n", SSNDsize) ; |
| 521 | |
| 522 | if (ssnd_fmt.offset == 0 || psf->dataoffset + ssnd_fmt.offset == ssnd_fmt.blocksize) |
| 523 | { psf_log_printf (psf, " Offset : %u\n", ssnd_fmt.offset) ; |
| 524 | psf_log_printf (psf, " Block Size : %u\n", ssnd_fmt.blocksize) ; |
| 525 | |
| 526 | psf->dataoffset += ssnd_fmt.offset ; |
| 527 | psf->datalength -= ssnd_fmt.offset ; |
| 528 | } |
| 529 | else |
| 530 | { psf_log_printf (psf, " Offset : %u\n", ssnd_fmt.offset) ; |
| 531 | psf_log_printf (psf, " Block Size : %u ???\n", ssnd_fmt.blocksize) ; |
| 532 | psf->dataoffset += ssnd_fmt.offset ; |
| 533 | psf->datalength -= ssnd_fmt.offset ; |
| 534 | } ; |
| 535 | |
| 536 | /* Only set dataend if there really is data at the end. */ |
| 537 | if (psf->datalength + psf->dataoffset < psf->filelength) |
| 538 | psf->dataend = psf->datalength + psf->dataoffset ; |
| 539 | |
| 540 | found_chunk |= HAVE_SSND ; |
| 541 | |
| 542 | if (! psf->sf.seekable) |
| 543 | break ; |
| 544 | |
| 545 | /* Seek to end of SSND chunk. */ |
| 546 | psf_fseek (psf, psf->dataoffset + psf->datalength + (SSNDsize & 1), SEEK_SET) ; |
| 547 | break ; |
| 548 | |
| 549 | case c_MARKER : |
| 550 | psf_binheader_readf (psf, "E4", &dword) ; |
| 551 | pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ; |
| 552 | if (dword == 0) |
| 553 | break ; |
| 554 | if (dword >= SIGNED_SIZEOF (psf->u.scbuf)) |
| 555 | { psf_log_printf (psf, " %M : %d (too big)\n", marker, dword) ; |
| 556 | return SFE_INTERNAL ; |
| 557 | } ; |
| 558 | |
| 559 | cptr = psf->u.cbuf ; |
| 560 | psf_binheader_readf (psf, "b", cptr, dword + (dword & 1)) ; |
| 561 | cptr [dword] = 0 ; |
| 562 | |
| 563 | psf_sanitize_string (cptr, dword) ; |
| 564 | |
| 565 | psf_log_printf (psf, " %M : %s\n", marker, cptr) ; |
| 566 | psf_store_string (psf, SF_STR_COPYRIGHT, cptr) ; |
| 567 | break ; |
| 568 | |
| 569 | case AUTH_MARKER : |
| 570 | psf_binheader_readf (psf, "E4", &dword) ; |
| 571 | pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ; |
| 572 | if (dword == 0) |
| 573 | break ; |
| 574 | if (dword >= SIGNED_SIZEOF (psf->u.scbuf) - 1) |
| 575 | { psf_log_printf (psf, " %M : %d (too big)\n", marker, dword) ; |
| 576 | return SFE_INTERNAL ; |
| 577 | } ; |
| 578 | |
| 579 | cptr = psf->u.cbuf ; |
| 580 | psf_binheader_readf (psf, "b", cptr, dword + (dword & 1)) ; |
| 581 | cptr [dword] = 0 ; |
| 582 | psf_log_printf (psf, " %M : %s\n", marker, cptr) ; |
| 583 | psf_store_string (psf, SF_STR_ARTIST, cptr) ; |
| 584 | break ; |
| 585 | |
| 586 | case COMT_MARKER : |
| 587 | { unsigned short count, id, len ; |
| 588 | unsigned int timestamp ; |
| 589 | |
| 590 | psf_binheader_readf (psf, "E42", &dword, &count) ; |
| 591 | pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ; |
| 592 | psf_log_printf (psf, " %M : %d\n count : %d\n", marker, dword, count) ; |
| 593 | dword += (dword & 1) ; |
| 594 | if (dword == 0) |
| 595 | break ; |
| 596 | dword -= 2 ; |
| 597 | |
| 598 | for (k = 0 ; k < count ; k++) |
| 599 | { dword -= psf_binheader_readf (psf, "E422", ×tamp, &id, &len) ; |
| 600 | psf_log_printf (psf, " time : 0x%x\n marker : %x\n length : %d\n", timestamp, id, len) ; |
| 601 | |
| 602 | if (len + 1 > SIGNED_SIZEOF (psf->u.scbuf)) |
| 603 | { psf_log_printf (psf, "\nError : string length (%d) too big.\n", len) ; |
| 604 | return SFE_INTERNAL ; |
| 605 | } ; |
| 606 | |
| 607 | cptr = psf->u.cbuf ; |
| 608 | dword -= psf_binheader_readf (psf, "b", cptr, len) ; |
| 609 | cptr [len] = 0 ; |
| 610 | psf_log_printf (psf, " string : %s\n", cptr) ; |
| 611 | } ; |
| 612 | |
| 613 | if (dword > 0) |
| 614 | psf_binheader_readf (psf, "j", dword) ; |
| 615 | } ; |
| 616 | break ; |
| 617 | |
| 618 | case APPL_MARKER : |
| 619 | { unsigned appl_marker ; |
| 620 | |
| 621 | psf_binheader_readf (psf, "E4", &dword) ; |
| 622 | pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ; |
| 623 | if (dword == 0) |
| 624 | break ; |
| 625 | if (dword >= SIGNED_SIZEOF (psf->u.scbuf) - 1) |
| 626 | { psf_log_printf (psf, " %M : %d (too big, skipping)\n", marker, dword) ; |
| 627 | psf_binheader_readf (psf, "j", dword + (dword & 1)) ; |
| 628 | break ; |
| 629 | } ; |
| 630 | |
| 631 | if (dword < 4) |
| 632 | { psf_log_printf (psf, " %M : %d (too small, skipping)\n", marker, dword) ; |
| 633 | psf_binheader_readf (psf, "j", dword + (dword & 1)) ; |
| 634 | break ; |
| 635 | } ; |
| 636 | |
| 637 | cptr = psf->u.cbuf ; |
| 638 | psf_binheader_readf (psf, "mb", &appl_marker, cptr, dword + (dword & 1) - 4) ; |
| 639 | cptr [dword] = 0 ; |
| 640 | |
| 641 | for (k = 0 ; k < (int) dword ; k++) |
| 642 | if (! psf_isprint (cptr [k])) |
| 643 | { cptr [k] = 0 ; |
| 644 | break ; |
| 645 | } ; |
| 646 | |
| 647 | psf_log_printf (psf, " %M : %d\n AppSig : %M\n Name : %s\n", marker, dword, appl_marker, cptr) ; |
| 648 | psf_store_string (psf, SF_STR_SOFTWARE, cptr) ; |
| 649 | } ; |
| 650 | break ; |
| 651 | |
| 652 | case NAME_MARKER : |
| 653 | psf_binheader_readf (psf, "E4", &dword) ; |
| 654 | pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ; |
| 655 | if (dword == 0) |
| 656 | break ; |
| 657 | if (dword >= SIGNED_SIZEOF (psf->u.scbuf) - 2) |
| 658 | { psf_log_printf (psf, " %M : %d (too big)\n", marker, dword) ; |
| 659 | return SFE_INTERNAL ; |
| 660 | } ; |
| 661 | |
| 662 | cptr = psf->u.cbuf ; |
| 663 | psf_binheader_readf (psf, "b", cptr, dword + (dword & 1)) ; |
| 664 | cptr [dword] = 0 ; |
| 665 | psf_log_printf (psf, " %M : %s\n", marker, cptr) ; |
| 666 | psf_store_string (psf, SF_STR_TITLE, cptr) ; |
| 667 | break ; |
| 668 | |
| 669 | case ANNO_MARKER : |
| 670 | psf_binheader_readf (psf, "E4", &dword) ; |
| 671 | pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ; |
| 672 | if (dword == 0) |
| 673 | break ; |
| 674 | if (dword >= SIGNED_SIZEOF (psf->u.scbuf) - 2) |
| 675 | { psf_log_printf (psf, " %M : %d (too big)\n", marker, dword) ; |
| 676 | return SFE_INTERNAL ; |
| 677 | } ; |
| 678 | |
| 679 | cptr = psf->u.cbuf ; |
| 680 | psf_binheader_readf (psf, "b", cptr, dword + (dword & 1)) ; |
| 681 | cptr [dword] = 0 ; |
| 682 | psf_log_printf (psf, " %M : %s\n", marker, cptr) ; |
| 683 | psf_store_string (psf, SF_STR_COMMENT, cptr) ; |
| 684 | break ; |
| 685 | |
| 686 | case INST_MARKER : |
| 687 | psf_binheader_readf (psf, "E4", &dword) ; |
| 688 | pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ; |
| 689 | if (dword != SIZEOF_INST_CHUNK) |
| 690 | { psf_log_printf (psf, " %M : %d (should be %d)\n", marker, dword, SIZEOF_INST_CHUNK) ; |
| 691 | psf_binheader_readf (psf, "j", dword) ; |
| 692 | break ; |
| 693 | } ; |
| 694 | psf_log_printf (psf, " %M : %d\n", marker, dword) ; |
| 695 | { unsigned char bytes [6] ; |
| 696 | short gain ; |
| 697 | |
| 698 | if (psf->instrument == NULL && (psf->instrument = psf_instrument_alloc ()) == NULL) |
| 699 | return SFE_MALLOC_FAILED ; |
| 700 | |
| 701 | psf_binheader_readf (psf, "b", bytes, 6) ; |
| 702 | psf_log_printf (psf, " Base Note : %u\n Detune : %u\n" |
| 703 | " Low Note : %u\n High Note : %u\n" |
| 704 | " Low Vel. : %u\n High Vel. : %u\n", |
| 705 | bytes [0], bytes [1], bytes [2], bytes [3], bytes [4], bytes [5]) ; |
| 706 | psf->instrument->basenote = bytes [0] ; |
| 707 | psf->instrument->detune = bytes [1] ; |
| 708 | psf->instrument->key_lo = bytes [2] ; |
| 709 | psf->instrument->key_hi = bytes [3] ; |
| 710 | psf->instrument->velocity_lo = bytes [4] ; |
| 711 | psf->instrument->velocity_hi = bytes [5] ; |
| 712 | psf_binheader_readf (psf, "E2", &gain) ; |
| 713 | psf->instrument->gain = gain ; |
| 714 | psf_log_printf (psf, " Gain (dB) : %d\n", gain) ; |
| 715 | } ; |
| 716 | { short mode ; /* 0 - no loop, 1 - forward looping, 2 - backward looping */ |
| 717 | const char *loop_mode ; |
| 718 | unsigned short begin, end ; |
| 719 | |
| 720 | psf_binheader_readf (psf, "E222", &mode, &begin, &end) ; |
| 721 | loop_mode = get_loop_mode_str (mode) ; |
| 722 | mode = get_loop_mode (mode) ; |
| 723 | if (mode == SF_LOOP_NONE) |
| 724 | { psf->instrument->loop_count = 0 ; |
| 725 | psf->instrument->loops [0].mode = SF_LOOP_NONE ; |
| 726 | } |
| 727 | else |
| 728 | { psf->instrument->loop_count = 1 ; |
| 729 | psf->instrument->loops [0].mode = SF_LOOP_FORWARD ; |
| 730 | psf->instrument->loops [0].start = begin ; |
| 731 | psf->instrument->loops [0].end = end ; |
| 732 | psf->instrument->loops [0].count = 0 ; |
| 733 | } ; |
| 734 | psf_log_printf (psf, " Sustain\n mode : %d => %s\n begin : %u\n end : %u\n", |
| 735 | mode, loop_mode, begin, end) ; |
| 736 | psf_binheader_readf (psf, "E222", &mode, &begin, &end) ; |
| 737 | loop_mode = get_loop_mode_str (mode) ; |
| 738 | mode = get_loop_mode (mode) ; |
| 739 | if (mode == SF_LOOP_NONE) |
| 740 | psf->instrument->loops [1].mode = SF_LOOP_NONE ; |
| 741 | else |
| 742 | { psf->instrument->loop_count += 1 ; |
| 743 | psf->instrument->loops [1].mode = SF_LOOP_FORWARD ; |
| 744 | psf->instrument->loops [1].start = begin ; |
| 745 | psf->instrument->loops [1].end = end ; |
| 746 | psf->instrument->loops [1].count = 0 ; |
| 747 | } ; |
| 748 | psf_log_printf (psf, " Release\n mode : %d => %s\n begin : %u\n end : %u\n", |
| 749 | mode, loop_mode, begin, end) ; |
| 750 | } ; |
| 751 | instr_found++ ; |
| 752 | break ; |
| 753 | |
| 754 | case basc_MARKER : |
| 755 | psf_binheader_readf (psf, "E4", &dword) ; |
| 756 | pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ; |
| 757 | psf_log_printf (psf, " basc : %u\n", dword) ; |
| 758 | |
| 759 | if ((error = aiff_read_basc_chunk (psf, dword))) |
| 760 | return error ; |
| 761 | break ; |
| 762 | |
| 763 | case MARK_MARKER : |
| 764 | psf_binheader_readf (psf, "E4", &dword) ; |
| 765 | pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ; |
| 766 | psf_log_printf (psf, " %M : %d\n", marker, dword) ; |
| 767 | { unsigned short mark_id, n = 0 ; |
| 768 | unsigned int position ; |
| 769 | |
| 770 | bytesread = psf_binheader_readf (psf, "E2", &n) ; |
| 771 | mark_count = n ; |
| 772 | psf_log_printf (psf, " Count : %d\n", mark_count) ; |
| 773 | if (paiff->markstr != NULL) |
| 774 | { psf_log_printf (psf, "*** Second MARK chunk found. Throwing away the first.\n") ; |
| 775 | free (paiff->markstr) ; |
| 776 | } ; |
| 777 | paiff->markstr = calloc (mark_count, sizeof (MARK_ID_POS)) ; |
| 778 | if (paiff->markstr == NULL) |
| 779 | return SFE_MALLOC_FAILED ; |
| 780 | |
| 781 | for (n = 0 ; n < mark_count && bytesread < dword ; n++) |
| 782 | { unsigned int pstr_len ; |
| 783 | unsigned char ch ; |
| 784 | |
| 785 | bytesread += psf_binheader_readf (psf, "E241", &mark_id, &position, &ch) ; |
| 786 | psf_log_printf (psf, " Mark ID : %u\n Position : %u\n", mark_id, position) ; |
| 787 | |
| 788 | pstr_len = (ch & 1) ? ch : ch + 1 ; |
| 789 | |
| 790 | if (pstr_len < sizeof (psf->u.scbuf) - 1) |
| 791 | { bytesread += psf_binheader_readf (psf, "b", psf->u.scbuf, pstr_len) ; |
| 792 | psf->u.scbuf [pstr_len] = 0 ; |
| 793 | } |
| 794 | else |
| 795 | { unsigned int read_len = pstr_len - (sizeof (psf->u.scbuf) - 1) ; |
| 796 | bytesread += psf_binheader_readf (psf, "bj", psf->u.scbuf, read_len, pstr_len - read_len) ; |
| 797 | psf->u.scbuf [sizeof (psf->u.scbuf) - 1] = 0 ; |
| 798 | } |
| 799 | |
| 800 | psf_log_printf (psf, " Name : %s\n", psf->u.scbuf) ; |
| 801 | |
| 802 | paiff->markstr [n].markerID = mark_id ; |
| 803 | paiff->markstr [n].position = position ; |
| 804 | /* |
| 805 | ** TODO if psf->u.scbuf is equal to |
| 806 | ** either Beg_loop, Beg loop or beg loop and spam |
| 807 | ** if (psf->instrument == NULL && (psf->instrument = psf_instrument_alloc ()) == NULL) |
| 808 | ** return SFE_MALLOC_FAILED ; |
| 809 | */ |
| 810 | } ; |
| 811 | } ; |
| 812 | mark_found++ ; |
| 813 | psf_binheader_readf (psf, "j", dword - bytesread) ; |
| 814 | break ; |
| 815 | |
| 816 | case FVER_MARKER : |
| 817 | found_chunk |= HAVE_FVER ; |
| 818 | /* Fall through to next case. */ |
| 819 | |
| 820 | case SFX_MARKER : |
| 821 | psf_binheader_readf (psf, "E4", &dword) ; |
| 822 | pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ; |
| 823 | psf_log_printf (psf, " %M : %d\n", marker, dword) ; |
| 824 | |
| 825 | psf_binheader_readf (psf, "j", dword) ; |
| 826 | break ; |
| 827 | |
| 828 | case NONE_MARKER : |
| 829 | /* Fix for broken AIFC files with incorrect COMM chunk length. */ |
| 830 | { unsigned char byte ; |
| 831 | psf_binheader_readf (psf, "1", &byte) ; |
| 832 | dword = byte ; |
| 833 | psf_binheader_readf (psf, "j", dword) ; |
| 834 | } |
| 835 | break ; |
| 836 | |
| 837 | case CHAN_MARKER : |
| 838 | psf_binheader_readf (psf, "E4", &dword) ; |
| 839 | pchk4_store (&paiff->chunk4, marker, psf_ftell (psf) - 8, dword) ; |
| 840 | |
| 841 | if (dword < 12) |
| 842 | { psf_log_printf (psf, " %M : %d (should be >= 12)\n", marker, dword) ; |
| 843 | psf_binheader_readf (psf, "j", dword) ; |
| 844 | break ; |
| 845 | } |
| 846 | |
| 847 | psf_log_printf (psf, " %M : %d\n", marker, dword) ; |
| 848 | |
| 849 | if ((error = aiff_read_chanmap (psf, dword))) |
| 850 | return error ; |
| 851 | break ; |
| 852 | |
| 853 | default : |
| 854 | if (psf_isprint ((marker >> 24) & 0xFF) && psf_isprint ((marker >> 16) & 0xFF) |
| 855 | && psf_isprint ((marker >> 8) & 0xFF) && psf_isprint (marker & 0xFF)) |
| 856 | { psf_binheader_readf (psf, "E4", &dword) ; |
| 857 | psf_log_printf (psf, " %M : %d (unknown marker)\n", marker, dword) ; |
| 858 | |
| 859 | psf_binheader_readf (psf, "j", dword) ; |
| 860 | break ; |
| 861 | } ; |
| 862 | if ((dword = psf_ftell (psf)) & 0x03) |
| 863 | { psf_log_printf (psf, " Unknown chunk marker %X at position %d. Resyncing.\n", marker, dword - 4) ; |
| 864 | |
| 865 | psf_binheader_readf (psf, "j", -3) ; |
| 866 | break ; |
| 867 | } ; |
| 868 | psf_log_printf (psf, "*** Unknown chunk marker %X at position %D. Exiting parser.\n", marker, psf_ftell (psf)) ; |
| 869 | done = 1 ; |
| 870 | break ; |
| 871 | } ; /* switch (marker) */ |
| 872 | |
| 873 | if ((! psf->sf.seekable) && (found_chunk & HAVE_SSND)) |
| 874 | break ; |
| 875 | |
| 876 | if (psf_ftell (psf) >= psf->filelength - (2 * SIGNED_SIZEOF (dword))) |
| 877 | break ; |
| 878 | } ; /* while (1) */ |
| 879 | |
| 880 | if (instr_found && mark_found) |
| 881 | { int j ; |
| 882 | |
| 883 | for (j = 0 ; j<psf->instrument->loop_count ; j ++) |
| 884 | { if (j < ARRAY_LEN (psf->instrument->loops)) |
| 885 | { psf->instrument->loops [j].start = marker_to_position (paiff->markstr, psf->instrument->loops [j].start, mark_count) ; |
| 886 | psf->instrument->loops [j].end = marker_to_position (paiff->markstr, psf->instrument->loops [j].end, mark_count) ; |
| 887 | psf->instrument->loops [j].mode = SF_LOOP_FORWARD ; |
| 888 | } ; |
| 889 | } ; |
| 890 | } ; |
| 891 | |
| 892 | if (! (found_chunk & HAVE_FORM)) |
| 893 | return SFE_AIFF_NO_FORM ; |
| 894 | |
| 895 | if (! (found_chunk & HAVE_AIFF)) |
| 896 | return SFE_AIFF_COMM_NO_FORM ; |
| 897 | |
| 898 | if (! (found_chunk & HAVE_COMM)) |
| 899 | return SFE_AIFF_SSND_NO_COMM ; |
| 900 | |
| 901 | if (! psf->dataoffset) |
| 902 | return SFE_AIFF_NO_DATA ; |
| 903 | |
| 904 | return 0 ; |
| 905 | } /* aiff_read_header */ |
| 906 | |
| 907 | static int |
| 908 | aiff_close (SF_PRIVATE *psf) |
| 909 | { AIFF_PRIVATE *paiff = psf->container_data ; |
| 910 | |
| 911 | if (paiff != NULL && paiff->markstr != NULL) |
| 912 | { free (paiff->markstr) ; |
| 913 | paiff->markstr = NULL ; |
| 914 | } ; |
| 915 | |
| 916 | if (psf->file.mode == SFM_WRITE || psf->file.mode == SFM_RDWR) |
| 917 | { aiff_write_tailer (psf) ; |
| 918 | aiff_write_header (psf, SF_TRUE) ; |
| 919 | } ; |
| 920 | |
| 921 | return 0 ; |
| 922 | } /* aiff_close */ |
| 923 | |
| 924 | static int |
| 925 | aiff_read_comm_chunk (SF_PRIVATE *psf, COMM_CHUNK *comm_fmt) |
| 926 | { int error = 0, bytesread, subformat ; |
| 927 | |
| 928 | psf->u.scbuf [0] = 0 ; |
| 929 | |
| 930 | bytesread = psf_binheader_readf (psf, "E4", &(comm_fmt->size)) ; |
| 931 | |
| 932 | /* The COMM chunk has an int aligned to an odd word boundary. Some |
| 933 | ** procesors are not able to deal with this (ie bus fault) so we have |
| 934 | ** to take special care. |
| 935 | */ |
| 936 | comm_fmt->size += comm_fmt->size & 1 ; |
| 937 | |
| 938 | bytesread += |
| 939 | psf_binheader_readf (psf, "E242b", &(comm_fmt->numChannels), &(comm_fmt->numSampleFrames), |
| 940 | &(comm_fmt->sampleSize), &(comm_fmt->sampleRate), SIGNED_SIZEOF (comm_fmt->sampleRate)) ; |
| 941 | |
| 942 | if (comm_fmt->size > 0x10000 && (comm_fmt->size & 0xffff) == 0) |
| 943 | { psf_log_printf (psf, " COMM : %d (0x%x) *** should be ", comm_fmt->size, comm_fmt->size) ; |
| 944 | comm_fmt->size = ENDSWAP_INT (comm_fmt->size) ; |
| 945 | psf_log_printf (psf, "%d (0x%x)\n", comm_fmt->size, comm_fmt->size) ; |
| 946 | } |
| 947 | else |
| 948 | psf_log_printf (psf, " COMM : %d\n", comm_fmt->size) ; |
| 949 | |
| 950 | if (comm_fmt->size == SIZEOF_AIFF_COMM) |
| 951 | comm_fmt->encoding = NONE_MARKER ; |
| 952 | else if (comm_fmt->size == SIZEOF_AIFC_COMM_MIN) |
| 953 | bytesread += psf_binheader_readf (psf, "Em", &(comm_fmt->encoding)) ; |
| 954 | else if (comm_fmt->size >= SIZEOF_AIFC_COMM) |
| 955 | { unsigned char encoding_len ; |
| 956 | unsigned read_len ; |
| 957 | |
| 958 | bytesread += psf_binheader_readf (psf, "Em1", &(comm_fmt->encoding), &encoding_len) ; |
| 959 | |
| 960 | comm_fmt->size = SF_MIN (sizeof (psf->u.scbuf), make_size_t (comm_fmt->size)) ; |
| 961 | memset (psf->u.scbuf, 0, comm_fmt->size) ; |
| 962 | read_len = comm_fmt->size - SIZEOF_AIFC_COMM + 1 ; |
| 963 | bytesread += psf_binheader_readf (psf, "b", psf->u.scbuf, read_len) ; |
| 964 | psf->u.scbuf [read_len + 1] = 0 ; |
| 965 | } ; |
| 966 | |
| 967 | psf_log_printf (psf, " Sample Rate : %d\n", tenbytefloat2int (comm_fmt->sampleRate)) ; |
| 968 | psf_log_printf (psf, " Frames : %u%s\n", comm_fmt->numSampleFrames, (comm_fmt->numSampleFrames == 0 && psf->filelength > 104) ? " (Should not be 0)" : "") ; |
| 969 | psf_log_printf (psf, " Channels : %d\n", comm_fmt->numChannels) ; |
| 970 | |
| 971 | /* Found some broken 'fl32' files with comm.samplesize == 16. Fix it here. */ |
| 972 | if ((comm_fmt->encoding == fl32_MARKER || comm_fmt->encoding == FL32_MARKER) && comm_fmt->sampleSize != 32) |
| 973 | { psf_log_printf (psf, " Sample Size : %d (should be 32)\n", comm_fmt->sampleSize) ; |
| 974 | comm_fmt->sampleSize = 32 ; |
| 975 | } |
| 976 | else if ((comm_fmt->encoding == fl64_MARKER || comm_fmt->encoding == FL64_MARKER) && comm_fmt->sampleSize != 64) |
| 977 | { psf_log_printf (psf, " Sample Size : %d (should be 64)\n", comm_fmt->sampleSize) ; |
| 978 | comm_fmt->sampleSize = 64 ; |
| 979 | } |
| 980 | else |
| 981 | psf_log_printf (psf, " Sample Size : %d\n", comm_fmt->sampleSize) ; |
| 982 | |
| 983 | subformat = s_bitwidth_to_subformat (comm_fmt->sampleSize) ; |
| 984 | |
| 985 | psf->endian = SF_ENDIAN_BIG ; |
| 986 | |
| 987 | switch (comm_fmt->encoding) |
| 988 | { case NONE_MARKER : |
| 989 | psf->sf.format = (SF_FORMAT_AIFF | subformat) ; |
| 990 | break ; |
| 991 | |
| 992 | case twos_MARKER : |
| 993 | case in24_MARKER : |
| 994 | case in32_MARKER : |
| 995 | psf->sf.format = (SF_ENDIAN_BIG | SF_FORMAT_AIFF | subformat) ; |
| 996 | break ; |
| 997 | |
| 998 | case sowt_MARKER : |
| 999 | case ni24_MARKER : |
| 1000 | case ni32_MARKER : |
| 1001 | psf->endian = SF_ENDIAN_LITTLE ; |
| 1002 | psf->sf.format = (SF_ENDIAN_LITTLE | SF_FORMAT_AIFF | subformat) ; |
| 1003 | break ; |
| 1004 | |
| 1005 | case fl32_MARKER : |
| 1006 | case FL32_MARKER : |
| 1007 | psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_FLOAT) ; |
| 1008 | break ; |
| 1009 | |
| 1010 | case ulaw_MARKER : |
| 1011 | case ULAW_MARKER : |
| 1012 | psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_ULAW) ; |
| 1013 | break ; |
| 1014 | |
| 1015 | case alaw_MARKER : |
| 1016 | case ALAW_MARKER : |
| 1017 | psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_ALAW) ; |
| 1018 | break ; |
| 1019 | |
| 1020 | case fl64_MARKER : |
| 1021 | case FL64_MARKER : |
| 1022 | psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_DOUBLE) ; |
| 1023 | break ; |
| 1024 | |
| 1025 | case raw_MARKER : |
| 1026 | psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_PCM_U8) ; |
| 1027 | break ; |
| 1028 | |
| 1029 | case DWVW_MARKER : |
| 1030 | psf->sf.format = SF_FORMAT_AIFF ; |
| 1031 | switch (comm_fmt->sampleSize) |
| 1032 | { case 12 : |
| 1033 | psf->sf.format |= SF_FORMAT_DWVW_12 ; |
| 1034 | break ; |
| 1035 | case 16 : |
| 1036 | psf->sf.format |= SF_FORMAT_DWVW_16 ; |
| 1037 | break ; |
| 1038 | case 24 : |
| 1039 | psf->sf.format |= SF_FORMAT_DWVW_24 ; |
| 1040 | break ; |
| 1041 | |
| 1042 | default : |
| 1043 | psf->sf.format |= SF_FORMAT_DWVW_N ; |
| 1044 | break ; |
| 1045 | } ; |
| 1046 | break ; |
| 1047 | |
| 1048 | case GSM_MARKER : |
| 1049 | psf->sf.format = SF_FORMAT_AIFF ; |
| 1050 | psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_GSM610) ; |
| 1051 | break ; |
| 1052 | |
| 1053 | |
| 1054 | case ima4_MARKER : |
| 1055 | psf->endian = SF_ENDIAN_BIG ; |
| 1056 | psf->sf.format = (SF_FORMAT_AIFF | SF_FORMAT_IMA_ADPCM) ; |
| 1057 | break ; |
| 1058 | |
| 1059 | default : |
| 1060 | psf_log_printf (psf, "AIFC : Unimplemented format : %M\n", comm_fmt->encoding) ; |
| 1061 | error = SFE_UNIMPLEMENTED ; |
| 1062 | } ; |
| 1063 | |
| 1064 | if (! psf->u.scbuf [0]) |
| 1065 | psf_log_printf (psf, " Encoding : %M\n", comm_fmt->encoding) ; |
| 1066 | else |
| 1067 | psf_log_printf (psf, " Encoding : %M => %s\n", comm_fmt->encoding, psf->u.scbuf) ; |
| 1068 | |
| 1069 | return error ; |
| 1070 | } /* aiff_read_comm_chunk */ |
| 1071 | |
| 1072 | |
| 1073 | /*========================================================================================== |
| 1074 | */ |
| 1075 | |
| 1076 | static int |
| 1077 | aiff_rewrite_header (SF_PRIVATE *psf, AIFF_PRIVATE * paiff) |
| 1078 | { |
| 1079 | /* Assuming here that the header has already been written and just |
| 1080 | ** needs to be corrected for new data length. That means that we |
| 1081 | ** only change the length fields of the FORM and SSND chunks ; |
| 1082 | ** everything else can be skipped over. |
| 1083 | */ |
| 1084 | int k, ch ; |
| 1085 | int comm_size, comm_frames ; |
| 1086 | |
| 1087 | psf_fseek (psf, 0, SEEK_SET) ; |
| 1088 | psf_fread (psf->header, psf->dataoffset, 1, psf) ; |
| 1089 | |
| 1090 | psf->headindex = 0 ; |
| 1091 | |
| 1092 | for (k = 0 ; k < paiff->chunk4.count ; k++) |
| 1093 | { switch (paiff->chunk4.l [k].chunk) |
| 1094 | { case FORM_MARKER : |
| 1095 | psf_binheader_writef (psf, "Etm8", FORM_MARKER, psf->filelength - 8) ; |
| 1096 | break ; |
| 1097 | |
| 1098 | case COMM_MARKER : |
| 1099 | psf->headindex = paiff->chunk4.l [k].offset ; |
| 1100 | comm_frames = psf->sf.frames ; |
| 1101 | comm_size = paiff->chunk4.l [k].len ; |
| 1102 | psf_binheader_writef (psf, "Em42t4", COMM_MARKER, comm_size, psf->sf.channels, comm_frames) ; |
| 1103 | break ; |
| 1104 | |
| 1105 | case SSND_MARKER : |
| 1106 | psf->headindex = paiff->chunk4.l [k].offset ; |
| 1107 | psf_binheader_writef (psf, "Etm8", SSND_MARKER, psf->datalength + SIZEOF_SSND_CHUNK) ; |
| 1108 | break ; |
| 1109 | |
| 1110 | case PEAK_MARKER : |
| 1111 | psf->headindex = paiff->chunk4.l [k].offset ; |
| 1112 | psf_binheader_writef (psf, "Em4", PEAK_MARKER, AIFF_PEAK_CHUNK_SIZE (psf->sf.channels)) ; |
| 1113 | psf_binheader_writef (psf, "E44", 1, time (NULL)) ; |
| 1114 | for (ch = 0 ; ch < psf->sf.channels ; ch++) |
| 1115 | psf_binheader_writef (psf, "Eft8", (float) psf->peak_info->peaks [ch].value, psf->peak_info->peaks [ch].position) ; |
| 1116 | break ; |
| 1117 | |
| 1118 | default : |
| 1119 | /* There are a whole bunch of chunks we should just ignore. */ |
| 1120 | break ; |
| 1121 | } ; |
| 1122 | } ; |
| 1123 | |
| 1124 | /* Header mangling complete so write it out. */ |
| 1125 | psf_fseek (psf, 0, SEEK_SET) ; |
| 1126 | psf_fwrite (psf->header, psf->headindex, 1, psf) ; |
| 1127 | |
| 1128 | return 0 ; |
| 1129 | } /* aiff_rewrite_header */ |
| 1130 | |
| 1131 | static int |
| 1132 | aiff_write_header (SF_PRIVATE *psf, int calc_length) |
| 1133 | { sf_count_t current ; |
| 1134 | AIFF_PRIVATE *paiff ; |
| 1135 | unsigned char comm_sample_rate [10], comm_zero_bytes [2] = { 0, 0 } ; |
| 1136 | unsigned int comm_type, comm_size, comm_encoding, comm_frames = 0 ; |
| 1137 | int k, endian, has_data = SF_FALSE ; |
| 1138 | short bit_width ; |
| 1139 | |
| 1140 | if ((paiff = psf->container_data) == NULL) |
| 1141 | return SFE_INTERNAL ; |
| 1142 | |
| 1143 | current = psf_ftell (psf) ; |
| 1144 | |
| 1145 | if (current > psf->dataoffset) |
| 1146 | has_data = SF_TRUE ; |
| 1147 | |
| 1148 | if (calc_length) |
| 1149 | { psf->filelength = psf_get_filelen (psf) ; |
| 1150 | |
| 1151 | psf->datalength = psf->filelength - psf->dataoffset ; |
| 1152 | if (psf->dataend) |
| 1153 | psf->datalength -= psf->filelength - psf->dataend ; |
| 1154 | |
| 1155 | if (psf->bytewidth > 0) |
| 1156 | psf->sf.frames = psf->datalength / (psf->bytewidth * psf->sf.channels) ; |
| 1157 | } ; |
| 1158 | |
| 1159 | if (psf->file.mode == SFM_RDWR && psf->dataoffset > 0 && paiff->chunk4.count > 0) |
| 1160 | { int err = aiff_rewrite_header (psf, paiff) ; |
| 1161 | if (current > 0) |
| 1162 | psf_fseek (psf, current, SEEK_SET) ; |
| 1163 | return err ; |
| 1164 | } ; |
| 1165 | |
| 1166 | endian = SF_ENDIAN (psf->sf.format) ; |
| 1167 | if (CPU_IS_LITTLE_ENDIAN && endian == SF_ENDIAN_CPU) |
| 1168 | endian = SF_ENDIAN_LITTLE ; |
| 1169 | |
| 1170 | /* Standard value here. */ |
| 1171 | bit_width = psf->bytewidth * 8 ; |
| 1172 | comm_frames = (psf->sf.frames > 0xFFFFFFFF) ? 0xFFFFFFFF : psf->sf.frames ; |
| 1173 | |
| 1174 | switch (SF_CODEC (psf->sf.format) | endian) |
| 1175 | { case SF_FORMAT_PCM_S8 | SF_ENDIAN_BIG : |
| 1176 | psf->endian = SF_ENDIAN_BIG ; |
| 1177 | comm_type = AIFC_MARKER ; |
| 1178 | comm_size = SIZEOF_AIFC_COMM ; |
| 1179 | comm_encoding = twos_MARKER ; |
| 1180 | break ; |
| 1181 | |
| 1182 | case SF_FORMAT_PCM_S8 | SF_ENDIAN_LITTLE : |
| 1183 | psf->endian = SF_ENDIAN_LITTLE ; |
| 1184 | comm_type = AIFC_MARKER ; |
| 1185 | comm_size = SIZEOF_AIFC_COMM ; |
| 1186 | comm_encoding = sowt_MARKER ; |
| 1187 | break ; |
| 1188 | |
| 1189 | case SF_FORMAT_PCM_16 | SF_ENDIAN_BIG : |
| 1190 | psf->endian = SF_ENDIAN_BIG ; |
| 1191 | comm_type = AIFC_MARKER ; |
| 1192 | comm_size = SIZEOF_AIFC_COMM ; |
| 1193 | comm_encoding = twos_MARKER ; |
| 1194 | break ; |
| 1195 | |
| 1196 | case SF_FORMAT_PCM_16 | SF_ENDIAN_LITTLE : |
| 1197 | psf->endian = SF_ENDIAN_LITTLE ; |
| 1198 | comm_type = AIFC_MARKER ; |
| 1199 | comm_size = SIZEOF_AIFC_COMM ; |
| 1200 | comm_encoding = sowt_MARKER ; |
| 1201 | break ; |
| 1202 | |
| 1203 | case SF_FORMAT_PCM_24 | SF_ENDIAN_BIG : |
| 1204 | psf->endian = SF_ENDIAN_BIG ; |
| 1205 | comm_type = AIFC_MARKER ; |
| 1206 | comm_size = SIZEOF_AIFC_COMM ; |
| 1207 | comm_encoding = in24_MARKER ; |
| 1208 | break ; |
| 1209 | |
| 1210 | case SF_FORMAT_PCM_24 | SF_ENDIAN_LITTLE : |
| 1211 | psf->endian = SF_ENDIAN_LITTLE ; |
| 1212 | comm_type = AIFC_MARKER ; |
| 1213 | comm_size = SIZEOF_AIFC_COMM ; |
| 1214 | comm_encoding = ni24_MARKER ; |
| 1215 | break ; |
| 1216 | |
| 1217 | case SF_FORMAT_PCM_32 | SF_ENDIAN_BIG : |
| 1218 | psf->endian = SF_ENDIAN_BIG ; |
| 1219 | comm_type = AIFC_MARKER ; |
| 1220 | comm_size = SIZEOF_AIFC_COMM ; |
| 1221 | comm_encoding = in32_MARKER ; |
| 1222 | break ; |
| 1223 | |
| 1224 | case SF_FORMAT_PCM_32 | SF_ENDIAN_LITTLE : |
| 1225 | psf->endian = SF_ENDIAN_LITTLE ; |
| 1226 | comm_type = AIFC_MARKER ; |
| 1227 | comm_size = SIZEOF_AIFC_COMM ; |
| 1228 | comm_encoding = ni32_MARKER ; |
| 1229 | break ; |
| 1230 | |
| 1231 | case SF_FORMAT_PCM_S8 : /* SF_ENDIAN_FILE */ |
| 1232 | case SF_FORMAT_PCM_16 : |
| 1233 | case SF_FORMAT_PCM_24 : |
| 1234 | case SF_FORMAT_PCM_32 : |
| 1235 | psf->endian = SF_ENDIAN_BIG ; |
| 1236 | comm_type = AIFF_MARKER ; |
| 1237 | comm_size = SIZEOF_AIFF_COMM ; |
| 1238 | comm_encoding = 0 ; |
| 1239 | break ; |
| 1240 | |
| 1241 | case SF_FORMAT_FLOAT : /* Big endian floating point. */ |
| 1242 | psf->endian = SF_ENDIAN_BIG ; |
| 1243 | comm_type = AIFC_MARKER ; |
| 1244 | comm_size = SIZEOF_AIFC_COMM ; |
| 1245 | comm_encoding = FL32_MARKER ; /* Use 'FL32' because its easier to read. */ |
| 1246 | break ; |
| 1247 | |
| 1248 | case SF_FORMAT_DOUBLE : /* Big endian double precision floating point. */ |
| 1249 | psf->endian = SF_ENDIAN_BIG ; |
| 1250 | comm_type = AIFC_MARKER ; |
| 1251 | comm_size = SIZEOF_AIFC_COMM ; |
| 1252 | comm_encoding = FL64_MARKER ; /* Use 'FL64' because its easier to read. */ |
| 1253 | break ; |
| 1254 | |
| 1255 | case SF_FORMAT_ULAW : |
| 1256 | psf->endian = SF_ENDIAN_BIG ; |
| 1257 | comm_type = AIFC_MARKER ; |
| 1258 | comm_size = SIZEOF_AIFC_COMM ; |
| 1259 | comm_encoding = ulaw_MARKER ; |
| 1260 | break ; |
| 1261 | |
| 1262 | case SF_FORMAT_ALAW : |
| 1263 | psf->endian = SF_ENDIAN_BIG ; |
| 1264 | comm_type = AIFC_MARKER ; |
| 1265 | comm_size = SIZEOF_AIFC_COMM ; |
| 1266 | comm_encoding = alaw_MARKER ; |
| 1267 | break ; |
| 1268 | |
| 1269 | case SF_FORMAT_PCM_U8 : |
| 1270 | psf->endian = SF_ENDIAN_BIG ; |
| 1271 | comm_type = AIFC_MARKER ; |
| 1272 | comm_size = SIZEOF_AIFC_COMM ; |
| 1273 | comm_encoding = raw_MARKER ; |
| 1274 | break ; |
| 1275 | |
| 1276 | case SF_FORMAT_DWVW_12 : |
| 1277 | psf->endian = SF_ENDIAN_BIG ; |
| 1278 | comm_type = AIFC_MARKER ; |
| 1279 | comm_size = SIZEOF_AIFC_COMM ; |
| 1280 | comm_encoding = DWVW_MARKER ; |
| 1281 | |
| 1282 | /* Override standard value here.*/ |
| 1283 | bit_width = 12 ; |
| 1284 | break ; |
| 1285 | |
| 1286 | case SF_FORMAT_DWVW_16 : |
| 1287 | psf->endian = SF_ENDIAN_BIG ; |
| 1288 | comm_type = AIFC_MARKER ; |
| 1289 | comm_size = SIZEOF_AIFC_COMM ; |
| 1290 | comm_encoding = DWVW_MARKER ; |
| 1291 | |
| 1292 | /* Override standard value here.*/ |
| 1293 | bit_width = 16 ; |
| 1294 | break ; |
| 1295 | |
| 1296 | case SF_FORMAT_DWVW_24 : |
| 1297 | psf->endian = SF_ENDIAN_BIG ; |
| 1298 | comm_type = AIFC_MARKER ; |
| 1299 | comm_size = SIZEOF_AIFC_COMM ; |
| 1300 | comm_encoding = DWVW_MARKER ; |
| 1301 | |
| 1302 | /* Override standard value here.*/ |
| 1303 | bit_width = 24 ; |
| 1304 | break ; |
| 1305 | |
| 1306 | case SF_FORMAT_GSM610 : |
| 1307 | psf->endian = SF_ENDIAN_BIG ; |
| 1308 | comm_type = AIFC_MARKER ; |
| 1309 | comm_size = SIZEOF_AIFC_COMM ; |
| 1310 | comm_encoding = GSM_MARKER ; |
| 1311 | |
| 1312 | /* Override standard value here.*/ |
| 1313 | bit_width = 16 ; |
| 1314 | break ; |
| 1315 | |
| 1316 | case SF_FORMAT_IMA_ADPCM : |
| 1317 | psf->endian = SF_ENDIAN_BIG ; |
| 1318 | comm_type = AIFC_MARKER ; |
| 1319 | comm_size = SIZEOF_AIFC_COMM ; |
| 1320 | comm_encoding = ima4_MARKER ; |
| 1321 | |
| 1322 | /* Override standard value here.*/ |
| 1323 | bit_width = 16 ; |
| 1324 | comm_frames = psf->sf.frames / AIFC_IMA4_SAMPLES_PER_BLOCK ; |
| 1325 | break ; |
| 1326 | |
| 1327 | default : return SFE_BAD_OPEN_FORMAT ; |
| 1328 | } ; |
| 1329 | |
| 1330 | /* Reset the current header length to zero. */ |
| 1331 | psf->header [0] = 0 ; |
| 1332 | psf->headindex = 0 ; |
| 1333 | psf_fseek (psf, 0, SEEK_SET) ; |
| 1334 | |
| 1335 | psf_binheader_writef (psf, "Etm8", FORM_MARKER, psf->filelength - 8) ; |
| 1336 | |
| 1337 | /* Write AIFF/AIFC marker and COM chunk. */ |
| 1338 | if (comm_type == AIFC_MARKER) |
| 1339 | /* AIFC must have an FVER chunk. */ |
| 1340 | psf_binheader_writef (psf, "Emm44", comm_type, FVER_MARKER, 4, 0xA2805140) ; |
| 1341 | else |
| 1342 | psf_binheader_writef (psf, "Em", comm_type) ; |
| 1343 | |
| 1344 | paiff->comm_offset = psf->headindex - 8 ; |
| 1345 | |
| 1346 | memset (comm_sample_rate, 0, sizeof (comm_sample_rate)) ; |
| 1347 | uint2tenbytefloat (psf->sf.samplerate, comm_sample_rate) ; |
| 1348 | |
| 1349 | psf_binheader_writef (psf, "Em42t42", COMM_MARKER, comm_size, psf->sf.channels, comm_frames, bit_width) ; |
| 1350 | psf_binheader_writef (psf, "b", comm_sample_rate, sizeof (comm_sample_rate)) ; |
| 1351 | |
| 1352 | /* AIFC chunks have some extra data. */ |
| 1353 | if (comm_type == AIFC_MARKER) |
| 1354 | psf_binheader_writef (psf, "mb", comm_encoding, comm_zero_bytes, sizeof (comm_zero_bytes)) ; |
| 1355 | |
| 1356 | if (psf->channel_map && paiff->chanmap_tag) |
| 1357 | psf_binheader_writef (psf, "Em4444", CHAN_MARKER, 12, paiff->chanmap_tag, 0, 0) ; |
| 1358 | |
| 1359 | if (psf->instrument != NULL) |
| 1360 | { MARK_ID_POS m [4] ; |
| 1361 | INST_CHUNK ch ; |
| 1362 | unsigned short ct = 0 ; |
| 1363 | |
| 1364 | memset (m, 0, sizeof (m)) ; |
| 1365 | memset (&ch, 0, sizeof (ch)) ; |
| 1366 | |
| 1367 | ch.baseNote = psf->instrument->basenote ; |
| 1368 | ch.detune = psf->instrument->detune ; |
| 1369 | ch.lowNote = psf->instrument->key_lo ; |
| 1370 | ch.highNote = psf->instrument->key_hi ; |
| 1371 | ch.lowVelocity = psf->instrument->velocity_lo ; |
| 1372 | ch.highVelocity = psf->instrument->velocity_hi ; |
| 1373 | ch.gain = psf->instrument->gain ; |
| 1374 | if (psf->instrument->loops [0].mode != SF_LOOP_NONE) |
| 1375 | { ch.sustain_loop.playMode = 1 ; |
| 1376 | ch.sustain_loop.beginLoop = ct ; |
| 1377 | m [0].markerID = ct++ ; |
| 1378 | m [0].position = psf->instrument->loops [0].start ; |
| 1379 | ch.sustain_loop.endLoop = ct ; |
| 1380 | m [1].markerID = ct++ ; |
| 1381 | m [1].position = psf->instrument->loops [0].end ; |
| 1382 | } ; |
| 1383 | if (psf->instrument->loops [1].mode != SF_LOOP_NONE) |
| 1384 | { ch.release_loop.playMode = 1 ; |
| 1385 | ch.release_loop.beginLoop = ct ; |
| 1386 | m [2].markerID = ct++ ; |
| 1387 | m [2].position = psf->instrument->loops [1].start ; |
| 1388 | ch.release_loop.endLoop = ct ; |
| 1389 | m [3].markerID = ct++ ; |
| 1390 | m [3].position = psf->instrument->loops [1].end ; |
| 1391 | } |
| 1392 | else |
| 1393 | { ch.release_loop.playMode = 0 ; |
| 1394 | ch.release_loop.beginLoop = 0 ; |
| 1395 | ch.release_loop.endLoop = 0 ; |
| 1396 | } ; |
| 1397 | |
| 1398 | psf_binheader_writef (psf, "Em4111111", INST_MARKER, SIZEOF_INST_CHUNK, ch.baseNote, ch.detune, |
| 1399 | ch.lowNote, ch.highNote, ch.lowVelocity, ch.highVelocity) ; |
| 1400 | psf_binheader_writef (psf, "2222222", ch.gain, ch.sustain_loop.playMode, |
| 1401 | ch.sustain_loop.beginLoop, ch.sustain_loop.endLoop, ch.release_loop.playMode, |
| 1402 | ch.release_loop.beginLoop, ch.release_loop.endLoop) ; |
| 1403 | |
| 1404 | if (ct == 2) |
| 1405 | psf_binheader_writef (psf, "Em42241b241b", |
| 1406 | MARK_MARKER, 2 + 2 * (2 + 4 + 1 + 9), 2, |
| 1407 | m [0].markerID, m [0].position, 8, "beg loop", make_size_t (9), |
| 1408 | m [1].markerID, m [1].position, 8, "end loop", make_size_t (9)) ; |
| 1409 | else if (ct == 4) |
| 1410 | psf_binheader_writef (psf, "Em42 241b 241b 241b 241b", |
| 1411 | MARK_MARKER, 2 + 4 * (2 + 4 + 1 + 9), 4, |
| 1412 | m [0].markerID, m [0].position, 8, "beg loop", make_size_t (9), |
| 1413 | m [1].markerID, m [1].position, 8, "end loop", make_size_t (9), |
| 1414 | m [2].markerID, m [2].position, 8, "beg loop", make_size_t (9), |
| 1415 | m [3].markerID, m [3].position, 8, "end loop", make_size_t (9)) ; |
| 1416 | } ; |
| 1417 | |
| 1418 | if (psf->str_flags & SF_STR_LOCATE_START) |
| 1419 | aiff_write_strings (psf, SF_STR_LOCATE_START) ; |
| 1420 | |
| 1421 | if (psf->peak_info != NULL && psf->peak_info->peak_loc == SF_PEAK_START) |
| 1422 | { psf_binheader_writef (psf, "Em4", PEAK_MARKER, AIFF_PEAK_CHUNK_SIZE (psf->sf.channels)) ; |
| 1423 | psf_binheader_writef (psf, "E44", 1, time (NULL)) ; |
| 1424 | for (k = 0 ; k < psf->sf.channels ; k++) |
| 1425 | psf_binheader_writef (psf, "Eft8", (float) psf->peak_info->peaks [k].value, psf->peak_info->peaks [k].position) ; |
| 1426 | } ; |
| 1427 | |
| 1428 | /* Write SSND chunk. */ |
| 1429 | paiff->ssnd_offset = psf->headindex ; |
| 1430 | psf_binheader_writef (psf, "Etm844", SSND_MARKER, psf->datalength + SIZEOF_SSND_CHUNK, 0, 0) ; |
| 1431 | |
| 1432 | /* Header construction complete so write it out. */ |
| 1433 | psf_fwrite (psf->header, psf->headindex, 1, psf) ; |
| 1434 | |
| 1435 | if (psf->error) |
| 1436 | return psf->error ; |
| 1437 | |
| 1438 | if (has_data && psf->dataoffset != psf->headindex) |
| 1439 | return psf->error = SFE_INTERNAL ; |
| 1440 | |
| 1441 | psf->dataoffset = psf->headindex ; |
| 1442 | |
| 1443 | if (! has_data) |
| 1444 | psf_fseek (psf, psf->dataoffset, SEEK_SET) ; |
| 1445 | else if (current > 0) |
| 1446 | psf_fseek (psf, current, SEEK_SET) ; |
| 1447 | |
| 1448 | return psf->error ; |
| 1449 | } /* aiff_write_header */ |
| 1450 | |
| 1451 | static int |
| 1452 | aiff_write_tailer (SF_PRIVATE *psf) |
| 1453 | { int k ; |
| 1454 | |
| 1455 | /* Reset the current header length to zero. */ |
| 1456 | psf->header [0] = 0 ; |
| 1457 | psf->headindex = 0 ; |
| 1458 | |
| 1459 | psf->dataend = psf_fseek (psf, 0, SEEK_END) ; |
| 1460 | |
| 1461 | /* Make sure tailer data starts at even byte offset. Pad if necessary. */ |
| 1462 | if (psf->dataend % 2 == 1) |
| 1463 | { psf_fwrite (psf->header, 1, 1, psf) ; |
| 1464 | psf->dataend ++ ; |
| 1465 | } ; |
| 1466 | |
| 1467 | if (psf->peak_info != NULL && psf->peak_info->peak_loc == SF_PEAK_END) |
| 1468 | { psf_binheader_writef (psf, "Em4", PEAK_MARKER, AIFF_PEAK_CHUNK_SIZE (psf->sf.channels)) ; |
| 1469 | psf_binheader_writef (psf, "E44", 1, time (NULL)) ; |
| 1470 | for (k = 0 ; k < psf->sf.channels ; k++) |
| 1471 | psf_binheader_writef (psf, "Eft8", (float) psf->peak_info->peaks [k].value, psf->peak_info->peaks [k].position) ; |
| 1472 | } ; |
| 1473 | |
| 1474 | if (psf->str_flags & SF_STR_LOCATE_END) |
| 1475 | aiff_write_strings (psf, SF_STR_LOCATE_END) ; |
| 1476 | |
| 1477 | /* Write the tailer. */ |
| 1478 | if (psf->headindex > 0) |
| 1479 | psf_fwrite (psf->header, psf->headindex, 1, psf) ; |
| 1480 | |
| 1481 | return 0 ; |
| 1482 | } /* aiff_write_tailer */ |
| 1483 | |
| 1484 | static void |
| 1485 | aiff_write_strings (SF_PRIVATE *psf, int location) |
| 1486 | { int k, slen ; |
| 1487 | |
| 1488 | for (k = 0 ; k < SF_MAX_STRINGS ; k++) |
| 1489 | { if (psf->strings [k].type == 0) |
| 1490 | break ; |
| 1491 | |
| 1492 | if (psf->strings [k].flags != location) |
| 1493 | continue ; |
| 1494 | |
| 1495 | switch (psf->strings [k].type) |
| 1496 | { case SF_STR_SOFTWARE : |
| 1497 | slen = strlen (psf->strings [k].str) ; |
| 1498 | psf_binheader_writef (psf, "Em4mb", APPL_MARKER, slen + 4, m3ga_MARKER, psf->strings [k].str, make_size_t (slen + (slen & 1))) ; |
| 1499 | break ; |
| 1500 | |
| 1501 | case SF_STR_TITLE : |
| 1502 | psf_binheader_writef (psf, "EmS", NAME_MARKER, psf->strings [k].str) ; |
| 1503 | break ; |
| 1504 | |
| 1505 | case SF_STR_COPYRIGHT : |
| 1506 | psf_binheader_writef (psf, "EmS", c_MARKER, psf->strings [k].str) ; |
| 1507 | break ; |
| 1508 | |
| 1509 | case SF_STR_ARTIST : |
| 1510 | psf_binheader_writef (psf, "EmS", AUTH_MARKER, psf->strings [k].str) ; |
| 1511 | break ; |
| 1512 | |
| 1513 | case SF_STR_COMMENT : |
| 1514 | psf_binheader_writef (psf, "EmS", ANNO_MARKER, psf->strings [k].str) ; |
| 1515 | break ; |
| 1516 | |
| 1517 | /* |
| 1518 | case SF_STR_DATE : |
| 1519 | psf_binheader_writef (psf, "Ems", ICRD_MARKER, psf->strings [k].str) ; |
| 1520 | break ; |
| 1521 | */ |
| 1522 | } ; |
| 1523 | } ; |
| 1524 | |
| 1525 | return ; |
| 1526 | } /* aiff_write_strings */ |
| 1527 | |
| 1528 | static int |
| 1529 | aiff_command (SF_PRIVATE * psf, int command, void * UNUSED (data), int UNUSED (datasize)) |
| 1530 | { AIFF_PRIVATE *paiff ; |
| 1531 | |
| 1532 | if ((paiff = psf->container_data) == NULL) |
| 1533 | return SFE_INTERNAL ; |
| 1534 | |
| 1535 | switch (command) |
| 1536 | { case SFC_SET_CHANNEL_MAP_INFO : |
| 1537 | paiff->chanmap_tag = aiff_caf_find_channel_layout_tag (psf->channel_map, psf->sf.channels) ; |
| 1538 | return (paiff->chanmap_tag != 0) ; |
| 1539 | |
| 1540 | default : |
| 1541 | break ; |
| 1542 | } ; |
| 1543 | |
| 1544 | |
| 1545 | |
| 1546 | return 0 ; |
| 1547 | } /* aiff_command */ |
| 1548 | |
| 1549 | static const char* |
| 1550 | get_loop_mode_str (short mode) |
| 1551 | { switch (mode) |
| 1552 | { case 0 : return "none" ; |
| 1553 | case 1 : return "forward" ; |
| 1554 | case 2 : return "backward" ; |
| 1555 | } ; |
| 1556 | |
| 1557 | return "*** unknown" ; |
| 1558 | } /* get_loop_mode_str */ |
| 1559 | |
| 1560 | static short |
| 1561 | get_loop_mode (short mode) |
| 1562 | { switch (mode) |
| 1563 | { case 0 : return SF_LOOP_NONE ; |
| 1564 | case 1 : return SF_LOOP_FORWARD ; |
| 1565 | case 2 : return SF_LOOP_BACKWARD ; |
| 1566 | } ; |
| 1567 | |
| 1568 | return SF_LOOP_NONE ; |
| 1569 | } /* get_loop_mode */ |
| 1570 | |
| 1571 | /*========================================================================================== |
| 1572 | ** Rough hack at converting from 80 bit IEEE float in AIFF header to an int and |
| 1573 | ** back again. It assumes that all sample rates are between 1 and 800MHz, which |
| 1574 | ** should be OK as other sound file formats use a 32 bit integer to store sample |
| 1575 | ** rate. |
| 1576 | ** There is another (probably better) version in the source code to the SoX but it |
| 1577 | ** has a copyright which probably prevents it from being allowable as GPL/LGPL. |
| 1578 | */ |
| 1579 | |
| 1580 | static int |
| 1581 | tenbytefloat2int (unsigned char *bytes) |
| 1582 | { int val = 3 ; |
| 1583 | |
| 1584 | if (bytes [0] & 0x80) /* Negative number. */ |
| 1585 | return 0 ; |
| 1586 | |
| 1587 | if (bytes [0] <= 0x3F) /* Less than 1. */ |
| 1588 | return 1 ; |
| 1589 | |
| 1590 | if (bytes [0] > 0x40) /* Way too big. */ |
| 1591 | return 0x4000000 ; |
| 1592 | |
| 1593 | if (bytes [0] == 0x40 && bytes [1] > 0x1C) /* Too big. */ |
| 1594 | return 800000000 ; |
| 1595 | |
| 1596 | /* Ok, can handle it. */ |
| 1597 | |
| 1598 | val = (bytes [2] << 23) | (bytes [3] << 15) | (bytes [4] << 7) | (bytes [5] >> 1) ; |
| 1599 | |
| 1600 | val >>= (29 - bytes [1]) ; |
| 1601 | |
| 1602 | return val ; |
| 1603 | } /* tenbytefloat2int */ |
| 1604 | |
| 1605 | static void |
| 1606 | uint2tenbytefloat (unsigned int num, unsigned char *bytes) |
| 1607 | { unsigned int mask = 0x40000000 ; |
| 1608 | int count ; |
| 1609 | |
| 1610 | if (num <= 1) |
| 1611 | { bytes [0] = 0x3F ; |
| 1612 | bytes [1] = 0xFF ; |
| 1613 | bytes [2] = 0x80 ; |
| 1614 | return ; |
| 1615 | } ; |
| 1616 | |
| 1617 | bytes [0] = 0x40 ; |
| 1618 | |
| 1619 | if (num >= mask) |
| 1620 | { bytes [1] = 0x1D ; |
| 1621 | return ; |
| 1622 | } ; |
| 1623 | |
| 1624 | for (count = 0 ; count <= 32 ; count ++) |
| 1625 | { if (num & mask) |
| 1626 | break ; |
| 1627 | mask >>= 1 ; |
| 1628 | } ; |
| 1629 | |
| 1630 | num <<= count + 1 ; |
| 1631 | bytes [1] = 29 - count ; |
| 1632 | bytes [2] = (num >> 24) & 0xFF ; |
| 1633 | bytes [3] = (num >> 16) & 0xFF ; |
| 1634 | bytes [4] = (num >> 8) & 0xFF ; |
| 1635 | bytes [5] = num & 0xFF ; |
| 1636 | |
| 1637 | } /* uint2tenbytefloat */ |
| 1638 | |
| 1639 | static int |
| 1640 | aiff_read_basc_chunk (SF_PRIVATE * psf, int datasize) |
| 1641 | { const char * type_str ; |
| 1642 | basc_CHUNK bc ; |
| 1643 | int count ; |
| 1644 | |
| 1645 | count = psf_binheader_readf (psf, "E442", &bc.version, &bc.numBeats, &bc.rootNote) ; |
| 1646 | count += psf_binheader_readf (psf, "E222", &bc.scaleType, &bc.sigNumerator, &bc.sigDenominator) ; |
| 1647 | count += psf_binheader_readf (psf, "E2j", &bc.loopType, datasize - sizeof (bc)) ; |
| 1648 | |
| 1649 | psf_log_printf (psf, " Version ? : %u\n Num Beats : %u\n Root Note : 0x%x\n", |
| 1650 | bc.version, bc.numBeats, bc.rootNote) ; |
| 1651 | |
| 1652 | switch (bc.scaleType) |
| 1653 | { case basc_SCALE_MINOR : |
| 1654 | type_str = "MINOR" ; |
| 1655 | break ; |
| 1656 | case basc_SCALE_MAJOR : |
| 1657 | type_str = "MAJOR" ; |
| 1658 | break ; |
| 1659 | case basc_SCALE_NEITHER : |
| 1660 | type_str = "NEITHER" ; |
| 1661 | break ; |
| 1662 | case basc_SCALE_BOTH : |
| 1663 | type_str = "BOTH" ; |
| 1664 | break ; |
| 1665 | default : |
| 1666 | type_str = "!!WRONG!!" ; |
| 1667 | break ; |
| 1668 | } ; |
| 1669 | |
| 1670 | psf_log_printf (psf, " ScaleType : 0x%x (%s)\n", bc.scaleType, type_str) ; |
| 1671 | psf_log_printf (psf, " Time Sig : %d/%d\n", bc.sigNumerator, bc.sigDenominator) ; |
| 1672 | |
| 1673 | switch (bc.loopType) |
| 1674 | { case basc_TYPE_ONE_SHOT : |
| 1675 | type_str = "One Shot" ; |
| 1676 | break ; |
| 1677 | case basc_TYPE_LOOP : |
| 1678 | type_str = "Loop" ; |
| 1679 | break ; |
| 1680 | default: |
| 1681 | type_str = "!!WRONG!!" ; |
| 1682 | break ; |
| 1683 | } ; |
| 1684 | |
| 1685 | psf_log_printf (psf, " Loop Type : 0x%x (%s)\n", bc.loopType, type_str) ; |
| 1686 | |
| 1687 | if ((psf->loop_info = calloc (1, sizeof (SF_LOOP_INFO))) == NULL) |
| 1688 | return SFE_MALLOC_FAILED ; |
| 1689 | |
| 1690 | psf->loop_info->time_sig_num = bc.sigNumerator ; |
| 1691 | psf->loop_info->time_sig_den = bc.sigDenominator ; |
| 1692 | psf->loop_info->loop_mode = (bc.loopType == basc_TYPE_ONE_SHOT) ? SF_LOOP_NONE : SF_LOOP_FORWARD ; |
| 1693 | psf->loop_info->num_beats = bc.numBeats ; |
| 1694 | |
| 1695 | /* Can always be recalculated from other known fields. */ |
| 1696 | psf->loop_info->bpm = (1.0 / psf->sf.frames) * psf->sf.samplerate |
| 1697 | * ((bc.numBeats * 4.0) / bc.sigDenominator) * 60.0 ; |
| 1698 | psf->loop_info->root_key = bc.rootNote ; |
| 1699 | |
| 1700 | if (count < datasize) |
| 1701 | psf_binheader_readf (psf, "j", datasize - count) ; |
| 1702 | |
| 1703 | return 0 ; |
| 1704 | } /* aiff_read_basc_chunk */ |
| 1705 | |
| 1706 | |
| 1707 | static int |
| 1708 | aiff_read_chanmap (SF_PRIVATE * psf, unsigned dword) |
| 1709 | { const AIFF_CAF_CHANNEL_MAP * map_info ; |
| 1710 | unsigned channel_bitmap, channel_decriptions, bytesread ; |
| 1711 | int layout_tag ; |
| 1712 | |
| 1713 | bytesread = psf_binheader_readf (psf, "444", &layout_tag, &channel_bitmap, &channel_decriptions) ; |
| 1714 | |
| 1715 | if ((map_info = aiff_caf_of_channel_layout_tag (layout_tag)) == NULL) |
| 1716 | return 0 ; |
| 1717 | |
| 1718 | psf_log_printf (psf, " Tag : %x\n", layout_tag) ; |
| 1719 | if (map_info) |
| 1720 | psf_log_printf (psf, " Layout : %s\n", map_info->name) ; |
| 1721 | |
| 1722 | if (bytesread < dword) |
| 1723 | psf_binheader_readf (psf, "j", dword - bytesread) ; |
| 1724 | |
| 1725 | if (map_info->channel_map != NULL) |
| 1726 | { size_t chanmap_size = psf->sf.channels * sizeof (psf->channel_map [0]) ; |
| 1727 | |
| 1728 | free (psf->channel_map) ; |
| 1729 | |
| 1730 | if ((psf->channel_map = malloc (chanmap_size)) == NULL) |
| 1731 | return SFE_MALLOC_FAILED ; |
| 1732 | |
| 1733 | memcpy (psf->channel_map, map_info->channel_map, chanmap_size) ; |
| 1734 | } ; |
| 1735 | |
| 1736 | return 0 ; |
| 1737 | } /* aiff_read_chanmap */ |
| 1738 | |